#! -- encoding:utf-8 -- import requests import requests.adapters import time # 导入time模块,用于等待
#要访问的目标页面
targetUrlList = [ “https://httpbin.org/ip”, “https://httpbin.org/headers”, “https://httpbin.org/user-agent”, ]
#代理服务器(产品官网 www.16yun.cn)
proxyHost = “t.16yun.cn” proxyPort = “31111”
#代理验证信息
proxyUser = “16yun” proxyPass = “16ip” proxyMeta = f"http://{proxyUser}:{proxyPass}@{proxyHost}:{proxyPort}"
#设置 http和https访问都是用HTTP代理
proxies = { “http”: proxyMeta, “https”: proxyMeta, }
#设置代理和重试策略
adapter = requests.adapters.HTTPAdapter( proxy=proxies, max_retries=3 )
#访问三次网站,使用相同的Session(keep-alive),均能够保持相同的外网IP
with requests.session() as s: # 设置cookie # cookie_dict = {“JSESSION”:“123456789”} # cookies = requests.utils.cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True) # s.cookies = cookies
# 为session设置代理和重试策略
s.mount("http://", adapter)
s.mount("https://", adapter)
for i in range(3):
for j, url in enumerate(targetUrlList):
r = s.get(url)
# 判断状态码是否为200,如果不是,等待1秒后重试
while r.status_code != 200: # 添加循环条件
print(f"第{i+1}次访问第{j+1}个网站的状态码为{r.status_code},等待1秒后重试")
time.sleep(1) # 等待1秒
r = s.get(url) # 重新发起请求
print(f"第{i+1}次访问第{j+1}个网站的结果:")
print(r.text)